EP3543821B1 - Frame for an input/output device and method for producing a frame - Google Patents

Frame for an input/output device and method for producing a frame Download PDF

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Publication number
EP3543821B1
EP3543821B1 EP18163373.6A EP18163373A EP3543821B1 EP 3543821 B1 EP3543821 B1 EP 3543821B1 EP 18163373 A EP18163373 A EP 18163373A EP 3543821 B1 EP3543821 B1 EP 3543821B1
Authority
EP
European Patent Office
Prior art keywords
frame
leg
corners
corner
frame profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18163373.6A
Other languages
German (de)
French (fr)
Other versions
EP3543821A1 (en
Inventor
Christian Daubenmerkl
Alfredo Hummel
Harald Krieger
Ulrich Ringer
Heinrich Schlichting
Andreas Traub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP18163373.6A priority Critical patent/EP3543821B1/en
Priority to CN201811577516.7A priority patent/CN110299067B/en
Priority to US16/360,847 priority patent/US10823995B2/en
Publication of EP3543821A1 publication Critical patent/EP3543821A1/en
Application granted granted Critical
Publication of EP3543821B1 publication Critical patent/EP3543821B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colourĀ 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colourĀ  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colourĀ 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colourĀ  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133325—Assembling processes

Definitions

  • the invention relates to a frame for an input and output device with four corners and an input and output device for industrial use with this frame, but also to a method for producing a frame for an input and output device, a frame profile being used which has a first leg and a second leg, a band being arranged on the first leg and a groove being arranged on the second leg.
  • a large number of modern input and output devices that have a human-machine interface or a human-machine interface (HMI) are based on a combination of a display and touch screen technology as input and output units.
  • Input and output devices for industrial use are usually designed in such a way that correspondingly stable and resistant housings or frames are provided for these input and output devices.
  • device frames for industrially used input and output devices are preferably made of metal, in particular aluminum.
  • input and output devices with a display for industrial applications are manufactured according to the current state of the art.
  • these one-piece frames can be produced using an injection molding process with a mold as a tool, or they can be produced from the solid, for example by milling.
  • this naturally results in very high material losses, which increases the costs for such display frames and also makes production complex and inefficient.
  • an injection molding process in a mold for a frame enormous costs have to be provided in advance for an injection molding tool. If you only have a small number of input and output devices with such a frame, the previously known manufacturing processes are no longer economical.
  • a frame for an LCD display is known, which is composed of individual frame parts.
  • a frame for a flat display which consists of an integrally formed frame profile. There are four corner elements attached to the corners to reinforce the frame.
  • a frame for an input and output device with four corners, an integrally formed frame profile being used.
  • the frame profile has a first leg and a second leg, a band being arranged on the first leg, and free spaces being arranged in the frame profile to form the four corners in such a way that the band remains in the area of the free spaces, and on the second leg a groove is arranged, a corner element being arranged in each of the corners, and the corner element having an element body with a first element leg and a second element leg, the element legs being arranged essentially at right angles to one another on the element body and the corner elements being arranged in the free spaces in this way that the first element leg and the second element leg are each arranged in the groove of the frame profile.
  • Such a frame has the advantage that it is made in one piece and does not consist of four individual frame elements, as in the prior art. If the one-piece frame profile is bent into a frame with corners, the corners must be bent over in order to overcome residual stress in the material and thus prevent the sides of the frame from springing back. If the specified free spaces have been milled freely in the frame profile, it is possible to overbend the corners without later springback. The later insertion of the corner elements gives the frame the necessary stability.
  • the corner elements are designed in such a way that the element legs are arranged at a lower end of the element body and an element head is arranged at an upper end of the element body.
  • the element body is designed on the head in such a way that it closes the free space in the corners in such a way that a flat surface for applying a seal and / or adhesive surface for later insertion of a contact surface is present on the first leg within the frame.
  • the element head is thus designed in such a way that it extends flush to the tape and already provides a preliminary stage for a continuous adhesive surface or device seal mounting surface; this enables, for example, a tightness according to the IP 65 standard or comparable.
  • the band is advantageously designed as an upper circumferential collar for the frame, and the seal is arranged in this upper circumferential collar, which seals the space between the surface of the first leg and an edge surface of the contact surface that can be used later.
  • the band is also designed as a lower circumferential collar for the frame and a further seal is arranged in this lower circumferential collar, which seals the space between a lower surface of the first leg and an edge surface of a mounting cutout. If the frame is now mounted in a mounting cutout, the frame can be sealed off from the wall, for example in a wall mounting, with the additional seal.
  • the frame profile advantageously has a retaining groove with an undercut in the second leg in order to fasten a clamp in the retaining groove for installation in the installation cutout.
  • the clamp would press against the inside of the wall and thus hold the frame firmly in the installation cutout.
  • a particularly favorable production of a frame profile is achieved by producing a continuous cast aluminum profile.
  • the frame shown at the beginning is advantageously used in an input and output device for industrial use.
  • the method according to the invention is characterized in that a frame profile is used which is designed in one piece.
  • a frame profile is used which has a first leg and a second leg, a band being arranged on the first leg and a groove being arranged on the second leg, with one in a first step Length, which corresponds to the later circumference of the frame, is cut to length from a frame profile, and in a second step corresponding to the later side lengths of the frame, free spaces are introduced into the frame profile to form the four corners so that the tape in the area of the free spaces created Excerpts remain, the size of the free spaces is selected so that the overbending required in the next step can be carried out without any problems, in a third step the corners are bent at the points of the free spaces, the sides adjacent to one corner are slightly over one Bend over an angle of 90 degrees to avoid residual tension in the To overcome material and thus prevent the sides from springing back, in a fourth step a corner element is then used in each corner
  • a corner element is advantageously used in which the element legs are arranged at a lower end of the element body and an element head is arranged at an upper end of the element body, the element head being placed in the free space in the corners in such a way that it is flush closes so that a flat surface for applying a seal and / or adhesive surface for later insertion of a contact surface is created on the first leg within the frame.
  • the proposed method has several advantages over the known manufacturing method according to the prior art.
  • an elaborate die-casting process can be dispensed with and, on the other hand, no separate die-casting tools have to be purchased for individual different frame sizes.
  • the above proposed procedural solution allows frames for front frames for displays to be produced in any size.
  • the use of die casting tools is not necessary, so that ultimately the cost of producing a single frame is significantly reduced.
  • an input and output device 100 is shown in the form of a touch panel PC.
  • the input and output device 100 has a touch surface 60 as a touch screen.
  • the touch screen is enclosed in a frame 1 which is made from a frame profile 10.
  • a retaining groove 22 is incorporated into the frame profile, in which a clamp 62 is arranged.
  • FIG 2 is a framework 1 for according to FIG 1
  • the input and output device 100 shown with four corners A, B, C, D are shown.
  • the frame profile 10 is formed in one piece, the frame profile 10 having a first leg S1 and a second leg S2.
  • a flat band 20 is arranged on the first leg S1.
  • the band 20 later serves as a circumferential rounded device edge.
  • free spaces 11, 12, 13, 14 are arranged in the frame profile 10 in such a way that the band 20 remains in the area of the free spaces 11, 12, 13, 14.
  • a groove 21 is arranged on the second leg S2 (see FIG FIG 4 ).
  • the production of a frame 1 according to FIG 2 is explained below using the FIG 3 explained.
  • a longitudinally extending frame profile 10 is shown.
  • the frame profile 10 has an overall length l which corresponds to the later circumference of the frame 1.
  • the frame profile 10 is now divided into five sections.
  • the first section and the last section are each half of a first side a long and are therefore half as long as the length l1.
  • the second section corresponds to side b and has the length l2.
  • the third section corresponds to the third side c and has the length l3 and the fourth section corresponds to the side d and has the length l4.
  • a length l which corresponds to the later circumference of the frame 1, was cut to length from a frame profile 10.
  • the frame profile 10 shows the first leg S1 and the second leg S2 more clearly here.
  • the material is milled out of the frame profile 10 for the free space 12 in such a way that the circumferential band 20 remains as the later rounded frame.
  • the free space 12 is milled out of the frame profile 10 as a segment.
  • the band 20 thus forms an upper peripheral collar 20a and a lower peripheral collar 20b.
  • the frame profile 10 has the already mentioned groove 21 for the later insertion of a corner element 32.
  • FIG 5 shows them off FIG 4 known detail in a different view.
  • the band 20 has an upper circumferential collar 20a and a lower one Forms circumferential collar 20b, the band 20 being rounded in its outer contour.
  • a surface F of the first leg S1 later forms a surface F for applying a seal 50 and / or an adhesive surface 51 for inserting a contact surface 60.
  • the contact surface 60 then corresponds, for example, to that for a display 61 (see FIG FIG 10 ) upstream touch screen.
  • the corner elements 31,32,33,34 are arranged in the free spaces 11,12,13,14 of the curved frame profile 10 and thus increase the stability of the frame 1.
  • the corner element 31 has an element body 40 with a first element leg 41 and a second element leg 42 on.
  • the element legs 41, 42 are arranged essentially at right angles to one another at a lower end 44 of the element body 40.
  • An element head 43 is arranged at an upper end 45 of the element body 40. When inserted into the frame, the element head 43 serves to close the free spaces 11, 12, 13, 14 created by milling out the frame profile 10. Since its element legs 41, 42 are wedged in the groove 21 of the frame profile 10, the stability of the frame 1 is further increased.
  • FIG 7 shows the frame 1 with the frame profile 10 in a perspective cross-sectional view.
  • a first corner element 31 is inserted in the first corner A.
  • the section through the frame profile 10 shows the circumferential band 20 with its upper peripheral collar 20a and its lower peripheral collar 20b.
  • the holding groove 22 made in the second leg has an undercut so that a clamp 62 can later be fastened in this holding groove 22.
  • a clamp 62 can later be fastened in this holding groove 22.
  • the element legs 41, 42 come to rest at the corners in the groove 21, but also a rear wall hood 57 (see FIG FIG 10 ), which can consist of a sheet metal bent at the edges, can be inserted into the groove 21.
  • the frame profile 10 has a sheet metal mounting groove 23 for sheet metal 52,53,54,55 (see FIG 11 ) on.
  • FIG 8 the inserted first corner element 31 in the first corner A is illustrated once again in a detailed representation.
  • a seal 50 and an adhesive surface 51 will later come to rest on surface F.
  • the inserted corner element 31, with its element head 43, serves to cleanly and flushly close the free space 11 in the frame profile 10 created by the milling out.
  • FIG 9 shows the inserted seal 50 in the first corner A.
  • the seal 50 clings to the upper circumferential collar 20a formed by the band 20 and a gap between the surface F and a later inserted contact surface 60 is sealed by the seal 50.
  • FIG 10 shows an input and output device 100 in a sectional view.
  • the frame 1 has a further seal 56 on its lower peripheral projection 20a.
  • the seal 50 and an adhesive surface 51, to which the contact surface 60 is glued, are applied to the surface F of the frame 1.
  • a display 61 is arranged below the contact surface 60, whereby a touch screen display is formed.
  • FIG 11 shows a further advantage of the frame profile 10, since the frame profile 10 has an additional circumferential mounting plate groove 23, a first mounting plate 52, a second mounting plate 53, a third mounting plate 54 and a fourth mounting plate 55 can be arranged in the mounting plate groove 23.
  • the mounting plates 52,53,54 and 55 are brought together in the middle and serve as a carrier for a printed circuit board.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

Die Erfindung betrifft einen Rahmen fĆ¼r ein Ein- und AusgabegerƤt mit vier Ecken sowie ein Ein- und AusgabegerƤt fĆ¼r den industriellen Einsatz mit diesem Rahmen, aber auch ein Verfahren zur Herstellung eines Rahmens fĆ¼r ein Ein- und AusgabegerƤt, wobei ein Rahmenprofil verwendet wird, welches einen ersten Schenkel und einen zweiten Schenkel aufweist, wobei am ersten Schenkel ein Band und am zweiten Schenkel eine Nut angeordnet ist.The invention relates to a frame for an input and output device with four corners and an input and output device for industrial use with this frame, but also to a method for producing a frame for an input and output device, a frame profile being used which has a first leg and a second leg, a band being arranged on the first leg and a groove being arranged on the second leg.

Ein GroƟteil von modernen Ein- und AusgabegerƤten, welche eine Mensch-Maschine-Schnittstelle oder auch ein Human-Machine-Interface (HMI) aufweisen, basieren auf einer Kombination aus einem Display und einer Touch Screen-Technologie als Ein- und Ausgabeeinheiten.A large number of modern input and output devices that have a human-machine interface or a human-machine interface (HMI) are based on a combination of a display and touch screen technology as input and output units.

Gerade durch die Verwendung von Ein- und AusgabegerƤten im Zusammenhang mit der industriellen Nutzung sind die Anforderungen an derartige GerƤte im industriellen Umfeld im Bezug auf mechanische Robustheit und WiderstandsfƤhigkeit gegenĆ¼ber den ƤuƟeren EinflĆ¼ssen und Gegebenheiten entsprechend gestiegen. Diese Anforderungen kƶnnen in keiner Weise mit den Anforderungen an herkƶmmliche Ein- und AusgabegerƤte, insbesondere Displays wie sie z.B. im privaten Umfeld bei Monitoren und FernsehgerƤten vorkommen, verglichen werden.Precisely because of the use of input and output devices in connection with industrial use, the requirements for such devices in the industrial environment with regard to mechanical robustness and resistance to external influences and conditions have increased accordingly. These requirements can in no way be compared with the requirements for conventional input and output devices, in particular displays such as e.g. Occur in the private environment with monitors and televisions.

Ɯblicher Weise werden Ein- und AusgabegerƤte fĆ¼r den industriellen Einsatz derart ausgefĆ¼hrt, dass entsprechend stabile und widerstandsfƤhige GehƤuse bzw. Rahmen fĆ¼r diese Ein- und AusgabegerƤte vorgesehen werden. Aus diesem Grund werden GerƤterahmen fĆ¼r industriell genutzte Ein- und AusgabegerƤte, vorzugsweise aus Metall, insbesondere aus Aluminium, gefertigt.Input and output devices for industrial use are usually designed in such a way that correspondingly stable and resistant housings or frames are provided for these input and output devices. For this reason, device frames for industrially used input and output devices are preferably made of metal, in particular aluminum.

Weiterhin gibt es Anforderungen an eine Dichtheit hinsichtlich Staub und Spritzwasser. Im industriellen Umfeld muss ein Display, beispielsweise bei der Reinigung einer Maschine, eine Spritzwasser- oder Strahlwasserbelastung standhalten kƶnnen. Oft werden auch Anforderungen hygienischer Natur gestellt. Hier geht es insbesondere darum, Mƶglichkeiten fĆ¼r eine Schmutzablagerung am Display weitestgehend zu unterbinden. Dabei sollten vor allem Rillen, Spalten und Vertiefungen am Display bzw. am Displayrahmen vermieden werden.There are also requirements for tightness with regard to dust and splash water. In an industrial environment, a display must be able to withstand splashing water or jets of water, for example when cleaning a machine. Often there are also requirements of a hygienic nature. The main aim here is to largely prevent the possibility of dirt accumulating on the display. Above all, grooves, gaps and depressions on the display or the display frame should be avoided.

Um all diese Anforderungen erfĆ¼llen zu kƶnnen, werden nach derzeitigem Stand der Technik Ein- und AusgabegerƤte mit einem Display fĆ¼r industrielle Anwendungen, vorzugsweise mit einem einteiligen, das Display aufnehmenden Rahmen, gefertigt. Zum einen kƶnnen diese einteilige Rahmen mit einem Spritzgussverfahren mit einer Form als Werkzeug hergestellt werden oder aus dem Vollen, beispielsweise durch FrƤsen, gefertigt werden. Hierbei kommt es zum einen naturgemƤƟ zu sehr hohen Materialverlusten, was die Kosten fĆ¼r solche Displayrahmen erhƶht und auch die Fertigung aufwƤndig und ineffizient macht. Bei einem Spritzgussverfahren in einer Form fĆ¼r einen Rahmen sind enorme Kosten fĆ¼r ein Spritzgusswerkzeug im Vorfeld bereitzustellen. Hat man nun nur eine geringe StĆ¼ckzahl fĆ¼r Ein- und AusgabegerƤte mit einem derartigen Rahmen, so sind die bisherigen bekannten Fertigungsverfahren nicht mehr wirtschaftlich.In order to be able to meet all these requirements, input and output devices with a display for industrial applications, preferably with a one-piece frame that receives the display, are manufactured according to the current state of the art. On the one hand, these one-piece frames can be produced using an injection molding process with a mold as a tool, or they can be produced from the solid, for example by milling. On the one hand, this naturally results in very high material losses, which increases the costs for such display frames and also makes production complex and inefficient. In the case of an injection molding process in a mold for a frame, enormous costs have to be provided in advance for an injection molding tool. If you only have a small number of input and output devices with such a frame, the previously known manufacturing processes are no longer economical.

Aus der CN 28 449 70 Y ist ein Rahmen fĆ¼r ein LCD-Display bekannt, welcher aus einzelnen Rahmenteilen zusammengesetzt wird.From the CN 28 449 70 Y a frame for an LCD display is known, which is composed of individual frame parts.

Aus der KR 10 2005 0027375 A ist ein Rahmen fĆ¼r ein Flachdisplay bekannt, der aus einzelnen Rahmenteilen zusammengesetzt ist.From the KR 10 2005 0027375 A a frame for a flat display is known, which is composed of individual frame parts.

Aus der EP 3 106 915 A1 ist ebenfalls ein Rahmen, welcher aus einzelnen Profilteilen zusammengesetzt wird, bekannt.From the EP 3 106 915 A1 a frame, which is composed of individual profile parts, is also known.

Aus der US 2014/055929 A1 und aus der EP 2 881 781 A1 ist ein Rahmen fĆ¼r ein Flachdisplay bekannt, der aus einem einstĆ¼ckig ausgebildeten Rahmenprofil besteht. Zur VerstƤrkung des Rahmens sind vier an den Ecken angebrachten Eckelemente.From the US 2014/055929 A1 and from the EP 2 881 781 A1 a frame for a flat display is known, which consists of an integrally formed frame profile. There are four corner elements attached to the corners to reinforce the frame.

Es ist Aufgabe der vorliegenden Erfindung einen Rahmen fĆ¼r ein Ein- und AusgabegerƤt, vorzugsweise fĆ¼r den industriellen Einsatz, mƶglichst kostengĆ¼nstig herzustellen, und zudem auf zusƤtzliche Spalten oder Rillen in den Rahmen zu verzichten.It is the object of the present invention to manufacture a frame for an input and output device, preferably for industrial use, as cost-effectively as possible, and also to dispense with additional gaps or grooves in the frame.

Diese Aufgabe wird erfindungsgemƤƟ dadurch gelƶst, dass ein Rahmen fĆ¼r ein Ein- und AusgabegerƤt mit vier Ecken bereitgestellt wird, wobei ein einstĆ¼ckig ausgebildetes Rahmenprofil verwendet wird. Das Rahmenprofil weist einen ersten Schenkel und einen zweiten Schenkel auf, wobei am ersten Schenkel ein Band angeordnet ist, und wobei in dem Rahmenprofil zur Ausbildung der vier Ecken FreirƤume derart angeordnet sind, dass das Band im Bereich der FreirƤume stehen bleibt, und am zweiten Schenkel eine Nut angeordnet ist, wobei in den Ecken jeweils ein Eckelement angeordnet ist, und das Eckelement einen Elementkƶrper mit einem ersten Elementschenkel und einem zweiten Elementschenkel aufweist, wobei die Elementschenkel im Wesentlichen rechtwinklig zueinander am Elementkƶrper angeordnet sind und die Eckelemente derart in den FreirƤumen angeordnet sind, dass der erste Elementschenkel und der zweite Elementschenkel jeweils in der Nut des Rahmenprofils angeordnet sind. Ein derartiger Rahmen hat den Vorteil, dass er einstĆ¼ckig ausgebildet ist und nicht, wie nach dem Stand der Technik, aus vier einzelnen Rahmenelementen besteht. Wird das einstĆ¼ckige Rahmenprofil zu einem Rahmen mit Ecken gebogen, so mĆ¼ssen die Ecken Ć¼berbogen werden um eine Restspannung im Material zu Ć¼berwinden und damit ein rĆ¼ckfedern der Seiten des Rahmens zu verhindern. Wenn die angegebenen FreirƤume entsprechend groƟzĆ¼gig in dem Rahmenprofil freigefrƤst wurden, ist ein Ɯberbiegen der Ecken ohne eine spƤtere RĆ¼ckfederung mƶglich. Das spƤtere Einstecken der Eckelemente bringt dem Rahmen die erforderliche StabilitƤt.According to the invention, this object is achieved in that a frame is provided for an input and output device with four corners, an integrally formed frame profile being used. The frame profile has a first leg and a second leg, a band being arranged on the first leg, and free spaces being arranged in the frame profile to form the four corners in such a way that the band remains in the area of the free spaces, and on the second leg a groove is arranged, a corner element being arranged in each of the corners, and the corner element having an element body with a first element leg and a second element leg, the element legs being arranged essentially at right angles to one another on the element body and the corner elements being arranged in the free spaces in this way that the first element leg and the second element leg are each arranged in the groove of the frame profile. Such a frame has the advantage that it is made in one piece and does not consist of four individual frame elements, as in the prior art. If the one-piece frame profile is bent into a frame with corners, the corners must be bent over in order to overcome residual stress in the material and thus prevent the sides of the frame from springing back. If the specified free spaces have been milled freely in the frame profile, it is possible to overbend the corners without later springback. The later insertion of the corner elements gives the frame the necessary stability.

In einer weiteren Ausgestaltung der Erfindung sind die Eckelemente derart ausgestaltet, dass die Elementschenkel an einem unteren Ende des Elementkƶrpers und ein Elementkopf an einem oberen Ende des Elementkƶrpers angeordnet sind. Dabei ist der Elementkƶrper am Kopf derart ausgestaltet, dass er den Freiraum in den Ecken derart verschlieƟt, dass auf dem ersten Schenkel innerhalb des Rahmens eine ebene FlƤche zum Aufbringen einer Dichtung und/oder KlebeflƤche zum spƤteren Einsetzen einer BerĆ¼hrflƤche vorhanden ist. Der Elementkopf ist somit derart ausgestaltet, dass er bĆ¼ndig bis an das Band reicht und bereits eine Vorstufe fĆ¼r eine durchgƤngige KlebeflƤche oder GerƤtedichtungsmontageflƤche bereitstellt, hierdurch wird z.B. eine Dichtigkeit nach der Norm IP 65 oder vergleichbar ermƶglicht.In a further embodiment of the invention, the corner elements are designed in such a way that the element legs are arranged at a lower end of the element body and an element head is arranged at an upper end of the element body. The element body is designed on the head in such a way that it closes the free space in the corners in such a way that a flat surface for applying a seal and / or adhesive surface for later insertion of a contact surface is present on the first leg within the frame. The element head is thus designed in such a way that it extends flush to the tape and already provides a preliminary stage for a continuous adhesive surface or device seal mounting surface; this enables, for example, a tightness according to the IP 65 standard or comparable.

Vorteilhafterweise ist das Band als ein oberer Umfangskragen fĆ¼r den Rahmen ausgestaltet und in diesem oberen Umfangskragen ist die Dichtung angeordnet, welche den Zwischenraum zwischen der FlƤche des ersten Schenkels und einer RandflƤche der spƤter einsetzbaren BerĆ¼hrflƤche abdichtet.The band is advantageously designed as an upper circumferential collar for the frame, and the seal is arranged in this upper circumferential collar, which seals the space between the surface of the first leg and an edge surface of the contact surface that can be used later.

Weiterhin ist es von Vorteil, wenn das Band zusƤtzlich als ein unterer Umfangskragen fĆ¼r den Rahmen ausgestaltet ist und in diesem unteren Umfangskragen eine weitere Dichtung angeordnet ist, welche den Zwischenraum zwischen einer unteren FlƤche des ersten Schenkels und einer RandflƤche eines Einbauausschnittes abdichtet. Wird nun der Rahmen in einen Einbauausschnitt montiert, so kann mit der weiteren Dichtung der Rahmen beispielsweise in einer Wandmontage zu der Wand abgedichtet werden.It is also advantageous if the band is also designed as a lower circumferential collar for the frame and a further seal is arranged in this lower circumferential collar, which seals the space between a lower surface of the first leg and an edge surface of a mounting cutout. If the frame is now mounted in a mounting cutout, the frame can be sealed off from the wall, for example in a wall mounting, with the additional seal.

Vorteilhafterweise weist das Rahmenprofil im zweiten Schenkel eine Halte-Nut mit einer Hinterschneidung auf, um in der Halte-Nut eine Klemme fĆ¼r einen Einbau in den Einbauausschnitt zu befestigen. Die Klemme wĆ¼rde bei einer Wandmontage gegen das Innere der Wand drĆ¼cken und den Rahmen so fest in dem Einbauausschnitt halten.The frame profile advantageously has a retaining groove with an undercut in the second leg in order to fasten a clamp in the retaining groove for installation in the installation cutout. In the case of wall mounting, the clamp would press against the inside of the wall and thus hold the frame firmly in the installation cutout.

Eine besonders gĆ¼nstige Fertigung eines Rahmenprofils wird durch eine Aluminium-Stranggussprofilfertigung erreicht.A particularly favorable production of a frame profile is achieved by producing a continuous cast aluminum profile.

Der eingangs aufgezeigte Rahmen wird mit Vorteil bei einem Ein- und AusgabegerƤt fĆ¼r den industriellen Einsatz eingesetzt.The frame shown at the beginning is advantageously used in an input and output device for industrial use.

Das erfindungsgemƤƟe Verfahren zeichnet sich dadurch aus, dass ein Rahmenprofil verwendet wird, welches einstĆ¼ckig ausgestaltet ist. Bei dem Verfahren zur Herstellung des Rahmens fĆ¼r ein Ein- und AusgabegerƤt, wird ein Rahmenprofil verwendet, welches einen ersten Schenkel und einen zweiten Schenkel aufweist, wobei am ersten Schenkel ein Band und am zweiten Schenkel eine Nut angeordnet ist, wobei in einem ersten Schritt eine LƤnge, welche dem spƤteren Umfang des Rahmens entspricht, von einem Rahmenprofil abgelƤngt wird, und in einem zweiten Schritt entsprechend der spƤteren SeitenlƤngen des Rahmens werden in das Rahmenprofil zur Ausbildung der vier Ecken FreirƤume derart eingebracht, dass das Band im Bereich der durch die FreirƤume entstandenen Ausschnitte stehen bleibt, die GrĆ¶ĆŸe der FreirƤume wird dabei derart gewƤhlt, dass ein im nƤchsten Schritt erforderliches Ɯberbiegen stƶrungsfrei gelingen kann, in einem dritten Schritt werden an den Stellen der FreirƤume die Ecken gebogen, dabei werden die jeweils an einer Ecke anliegenden Seiten leicht Ć¼ber einen Winkel von 90Ā° Grad hinweg Ć¼berbogen, um eine Restspannung im Material zu Ć¼berwinden und damit ein RĆ¼ckfedern der Seiten zu verhindern, in einem vierten Schritt wird dann in den Ecken jeweils ein Eckelement eingesetzt, wobei das Eckelement einen Elementkƶrper mit einem ersten Elementschenkel und einem zweiten Elementschenkel aufweist, wobei die Elementschenkel im Wesentlichen rechtwinklig zueinander am Elementkƶrper angeordnet sind und die Eckelemente derart in die FreirƤume eingesetzt werden, dass der erste Elementschenkel und der zweite Elementschenkel jeweils in der Nut des Rahmenprofils angeordnet wird, anschlieƟend wird ein verbleibender StoƟ zusammengeschweiƟt. Auf vorteilhafte Weise ist nun ein Rahmen entstanden, welcher insbesondere an den Ecken keine Rillen und Kanten sondern ein ansprechendes modernes Design aufweist.The method according to the invention is characterized in that a frame profile is used which is designed in one piece. In the method for producing the frame for an input and output device, a frame profile is used which has a first leg and a second leg, a band being arranged on the first leg and a groove being arranged on the second leg, with one in a first step Length, which corresponds to the later circumference of the frame, is cut to length from a frame profile, and in a second step corresponding to the later side lengths of the frame, free spaces are introduced into the frame profile to form the four corners so that the tape in the area of the free spaces created Excerpts remain, the size of the free spaces is selected so that the overbending required in the next step can be carried out without any problems, in a third step the corners are bent at the points of the free spaces, the sides adjacent to one corner are slightly over one Bend over an angle of 90 degrees to avoid residual tension in the To overcome material and thus prevent the sides from springing back, in a fourth step a corner element is then used in each corner, the corner element having an element body with a first element leg and a second element leg, the element legs being essentially at right angles to one another on the element body are arranged and the corner elements are inserted into the free spaces in such a way that the first element leg and the second element leg are each arranged in the groove of the frame profile, then a remaining joint is welded together. In an advantageous manner, a frame has now been created which, in particular at the corners, has no grooves and edges, but an appealing modern design.

Bei einem weiteren Verfahrensschritt wird vorteilhafter Weise ein Eckelement verwendet, bei welchem die Elementschenkel an einem unteren Ende des Elementkƶrpers und ein Elementkopf an einem oberen Ende des Elementkƶrpers angeordnet sind, wobei der Elementkopf derart in dem Freiraum in den Ecken platziert wird, dass er diesen bĆ¼ndig verschlieƟt, damit auf dem ersten Schenkel innerhalb des Rahmens eine ebene FlƤche zum Aufbringen einer Dichtung und/oder KlebeflƤche zum spƤteren Einsetzen einer BerĆ¼hrflƤche geschaffen wird.In a further method step, a corner element is advantageously used in which the element legs are arranged at a lower end of the element body and an element head is arranged at an upper end of the element body, the element head being placed in the free space in the corners in such a way that it is flush closes so that a flat surface for applying a seal and / or adhesive surface for later insertion of a contact surface is created on the first leg within the frame.

Das vorgeschlagene Verfahren hat mehrere Vorteile gegenĆ¼ber dem bekanntgewordenen Herstellungsverfahren nach dem Stand der Technik. So kann zum einen auf ein aufwƤndiges Druckgussverfahren verzichtet werden und zum anderen mĆ¼ssen fĆ¼r einzelne unterschiedliche RahmengrĆ¶ĆŸen keine eigenen Druckgusswerkzeuge angeschafft werden. Durch die obige vorgeschlagene verfahrensgemƤƟe Lƶsung lassen sich Rahmen fĆ¼r Frontrahmen fĆ¼r Displays in jeder beliebigen GrĆ¶ĆŸe herstellen. Die Verwendung von Druckgusswerkzeugen ist nicht notwendig, so dass letztendlich die Kosten fĆ¼r die Herstellung eines einzelnen Rahmens erheblich reduziert werden.The proposed method has several advantages over the known manufacturing method according to the prior art. On the one hand, an elaborate die-casting process can be dispensed with and, on the other hand, no separate die-casting tools have to be purchased for individual different frame sizes. The above proposed procedural solution allows frames for front frames for displays to be produced in any size. The use of die casting tools is not necessary, so that ultimately the cost of producing a single frame is significantly reduced.

Mit der Zeichnung wird ein AusfĆ¼hrungsbeispiel der Erfindung vorgestellt. Es zeigen:

FIG 1
ein Ein- und AusgabegerƤt in Form eines Touch-Panel PC,
FIG 2
ein bereits gebogener Rahmen mit vier Ecken,
FIG 3
ein sich lƤngs erstreckendes Rahmenprofil mit entsprechenden ausgeschnittenen FreirƤumen,
FIG 4
ein ausgeschnittener Freiraum im Rahmenprofil als Detaildarstellung,
FIG 5
der in FIG 4 gezeigte ausgeschnittene Freiraum in einer anderen Darstellung,
FIG 6
eins von vier Eckelementen,
FIG 7
einen Ausschnitt aus dem Rahmen im Querschnitt zur Verdeutlichung der Struktur des Rahmenprofils,
FIG 8
einen Ausschnitt des Rahmens der Ecke A zur Verdeutlichung des eingesetzten Eckelementes,
FIG 9
das in FIG 8 gezeigte Eckelement mit einer darĆ¼ber angeordneten Dichtung,
FIG 10
das Ein- und AusgabegerƤt in einer Schnittdarstellung, und
FIG 11
das Ein- und AusgabegerƤt in einer perspektivischen RĆ¼ckansicht mit Darstellung von Halte- bzw. MontageflƤchen.
An exemplary embodiment of the invention is presented with the drawing. Show it:
FIG 1
an input and output device in the form of a touch panel PC,
FIG 2
an already curved frame with four corners,
FIG 3
a longitudinally extending frame profile with corresponding cut-out free spaces,
FIG 4
a cut-out free space in the frame profile as a detailed representation,
FIG 5
the in FIG 4 Cut-out free space shown in a different representation,
FIG 6
one of four corner elements,
FIG 7
a section of the frame in cross section to clarify the structure of the frame profile,
FIG 8
a section of the frame of corner A to illustrate the corner element used,
FIG 9
this in FIG 8 corner element shown with a seal arranged above it,
FIG 10
the input and output device in a sectional view, and
FIG 11
the input and output device in a perspective rear view showing holding or mounting surfaces.

GemƤƟ der FIG 1 ist ein Ein- und AusgabegerƤt 100 in Form eines Touch-Panel PC dargestellt. Das Ein- und AusgabegerƤt 100 weist eine BerĆ¼hrflƤche 60 als Touch-Screen auf. Der Touch-Screen ist in einem Rahmen 1, welcher aus einem Rahmenprofil 10 gefertigt ist, eingefasst. FĆ¼r eine spƤtere Montage in einen Einbauausschnitt ist in das Rahmenprofil eine Haltenut 22 eingearbeitet, in der eine Klemme 62 angeordnet ist.According to the FIG 1 an input and output device 100 is shown in the form of a touch panel PC. The input and output device 100 has a touch surface 60 as a touch screen. The touch screen is enclosed in a frame 1 which is made from a frame profile 10. For a later installation in a mounting cutout, a retaining groove 22 is incorporated into the frame profile, in which a clamp 62 is arranged.

Mit der FIG 2 ist ein Rahmen 1 fĆ¼r das gemƤƟ FIG 1 gezeigte Ein- und AusgabegerƤt 100 mit vier Ecken A,B,C,D gezeigt. ErfindungsgemƤƟ ist das Rahmenprofil 10 einstĆ¼ckig ausgebildet, dabei weist das Rahmenprofil 10 einen ersten Schenkel S1 und einen zweiten Schenkel S2 auf. Am ersten Schenkel S1 ist ein flaches Band 20 angeordnet. Das Band 20 dient spƤter als umlaufende abgerundete GerƤtekante. In dem Rahmenprofil 10 sind zur Ausbildung der vier Ecken A,B,C,D FreirƤume 11,12,13,14 derart angeordnet, dass das Band 20 im Bereich der FreirƤume 11,12,13,14 stehen bleibt. Am zweiten Schenkel S2 ist eine Nut 21 angeordnet (siehe FIG 4).With the FIG 2 is a framework 1 for according to FIG 1 The input and output device 100 shown with four corners A, B, C, D are shown. According to the invention, the frame profile 10 is formed in one piece, the frame profile 10 having a first leg S1 and a second leg S2. A flat band 20 is arranged on the first leg S1. The band 20 later serves as a circumferential rounded device edge. In order to form the four corners A, B, C, D, free spaces 11, 12, 13, 14 are arranged in the frame profile 10 in such a way that the band 20 remains in the area of the free spaces 11, 12, 13, 14. A groove 21 is arranged on the second leg S2 (see FIG FIG 4 ).

Die Herstellung eines Rahmen 1 gemƤƟ FIG 2 wird nachfolgend anhand der FIG 3 erlƤutert. GemƤƟ FIG 3 ist ein sich lƤngs erstreckendes Rahmenprofil 10 gezeigt. Das Rahmenprofil 10 weist eine GesamtlƤnge l auf, welche dem spƤteren Umfang des Rahmens 1 entspricht. Demnach ist das Rahmenprofil 10 nun in fĆ¼nf Abschnitte unterteilt. Der erste Abschnitt und der letzte Abschnitt sind jeweils die HƤlfte einer ersten Seite a lang und sind damit halb so lang wie die LƤnge l1. Der zweite Abschnitt entspricht der Seite b und hat die LƤnge l2. Der dritte Abschnitt entspricht der dritten Seite c und hat die LƤnge l3 und der vierte Abschnitt entspricht der Seite d und hat die LƤnge l4. VerfahrensgemƤƟ wurde demnach eine LƤnge l, welche den spƤteren Umfang des Rahmens 1 entspricht, von einem Rahmenprofil 10 abgelƤngt. Danach werden entsprechend der spƤteren SeitenlƤngen l1, l2, l3, l4 des Rahmens 1 in das Rahmenprofil 10 zur Ausbildung der vier Ecken A,B,C,D FreirƤume 11,12,13,14 derart eingebracht, dass das Band 20 im Bereich der durch die FreirƤume 11,12,13,14 entstandenen Ausschnitte stehen bleibt. Die GrĆ¶ĆŸe der FreirƤume 11,12,13,14 wird dabei derart gewƤhlt, dass das in einen nƤchsten Schritt erforderliches Ɯberbiegen stƶrungsfrei gelingen kann.The production of a frame 1 according to FIG 2 is explained below using the FIG 3 explained. According to FIG 3 a longitudinally extending frame profile 10 is shown. The frame profile 10 has an overall length l which corresponds to the later circumference of the frame 1. Accordingly, the frame profile 10 is now divided into five sections. The first section and the last section are each half of a first side a long and are therefore half as long as the length l1. The second section corresponds to side b and has the length l2. The third section corresponds to the third side c and has the length l3 and the fourth section corresponds to the side d and has the length l4. According to the method, a length l, which corresponds to the later circumference of the frame 1, was cut to length from a frame profile 10. Thereafter, according to the later side lengths l1, l2, l3, l4 of the frame 1 in the frame profile 10 to form the four corners A, B, C, D free spaces 11,12,13,14 are introduced such that the band 20 in the area The cutouts created by the free spaces 11,12,13,14 remain. The size of the free spaces 11, 12, 13, 14 is selected in such a way that the overbending required in a next step can succeed without any problems.

Mit der FIG 4 ist beispielhaft in einer Detaildarstellung der zur zweiten Ecke B zugehƶrige zweite Freiraum 12 dargestellt. Das Rahmenprofil 10 zeigt hier deutlicher den ersten Schenkel S1 und den zweiten Schenkel S2. Im Wesentlichen wird das Material aus dem Rahmenprofil 10 fĆ¼r den Freiraum 12 derart ausgefrƤst, dass das umlaufende Band 20, als spƤterer abgerundeter Rahmen stehen bleibt. Der Freiraum 12 wird als ein Segment aus dem Rahmenprofil 10 ausgefrƤst. Das Band 20 bildet somit einen oberen Umfangskragen 20a und einen unteren Umfangskragen 20b. Des Weiteren weist das Rahmenprofil 10 die bereits angesprochene Nut 21 fĆ¼r das spƤtere Einstecken eines Eckelementes 32 auf.With the FIG 4 the second free space 12 associated with the second corner B is shown by way of example in a detailed illustration. The frame profile 10 shows the first leg S1 and the second leg S2 more clearly here. Essentially, the material is milled out of the frame profile 10 for the free space 12 in such a way that the circumferential band 20 remains as the later rounded frame. The free space 12 is milled out of the frame profile 10 as a segment. The band 20 thus forms an upper peripheral collar 20a and a lower peripheral collar 20b. Furthermore, the frame profile 10 has the already mentioned groove 21 for the later insertion of a corner element 32.

Die FIG 5 zeigt die aus FIG 4 bekannte Detaildarstellung in einer anderen Ansicht. Hier ist noch einmal sichtbar, dass das Band 20 einen oberen Umfangskragen 20a und einen unteren Umfangskragen 20b bildet, wobei das Band 20 in seiner ƤuƟeren Kontur abgerundet ausgeformt ist. Eine FlƤche F des ersten Schenkels S1 bildet spƤter eine FlƤche F zum Aufbringen einer Dichtung 50 und/oder einer KlebeflƤche 51 zum Einsetzen einer BerĆ¼hrflƤche 60. Die BerĆ¼hrflƤche 60 entspricht dann beispielsweise dem zu einem Display 61 (siehe FIG 10) vorgelagerten Touch-Screen.The FIG 5 shows them off FIG 4 known detail in a different view. Here it can be seen once again that the band 20 has an upper circumferential collar 20a and a lower one Forms circumferential collar 20b, the band 20 being rounded in its outer contour. A surface F of the first leg S1 later forms a surface F for applying a seal 50 and / or an adhesive surface 51 for inserting a contact surface 60. The contact surface 60 then corresponds, for example, to that for a display 61 (see FIG FIG 10 ) upstream touch screen.

GemƤƟ FIG 6 ist das erste Eckelement 31 dargestellt. Die Eckelemente 31,32,33,34 werden in den FreirƤumen 11,12,13,14 des gebogenen Rahmenprofils 10 angeordnet und erhƶhen damit die StabilitƤt des Rahmens 1. Das Eckelement 31 weist einen Elementkƶrper 40 mit einem ersten Elementschenkel 41 und einem zweiten Elementschenkel 42 auf. Die Elementschenkel 41,42 sind im Wesentlichen rechtwinklig zueinander an einem unteren Ende 44 des Elementkƶrpers 40 angeordnet. An einem oberen Ende 45 des Elementkƶrpers 40 ist ein Elementkopf 43 angeordnet. Der Elementkopf 43 dient im eingesteckten Zustand in den Rahmen dem VerschlieƟen der durch das AusfrƤsen des Rahmenprofils 10 entstandenen FreirƤume 11,12,13,14. Dadurch, dass seine Elementschenkel 41,42 in der Nut 21 des Rahmenprofils 10 verkeilt sind, wird weiterhin StabilitƤt des Rahmens 1 erhƶht.According to FIG 6 the first corner element 31 is shown. The corner elements 31,32,33,34 are arranged in the free spaces 11,12,13,14 of the curved frame profile 10 and thus increase the stability of the frame 1. The corner element 31 has an element body 40 with a first element leg 41 and a second element leg 42 on. The element legs 41, 42 are arranged essentially at right angles to one another at a lower end 44 of the element body 40. An element head 43 is arranged at an upper end 45 of the element body 40. When inserted into the frame, the element head 43 serves to close the free spaces 11, 12, 13, 14 created by milling out the frame profile 10. Since its element legs 41, 42 are wedged in the groove 21 of the frame profile 10, the stability of the frame 1 is further increased.

Die FIG 7 zeigt den Rahmen 1 mit dem Rahmenprofil 10 in einer perspektivischen Querschnittsdarstellung. In der ersten Ecke A ist ein erstes Eckelement 31 eingesetzt. Der Schnitt durch das Rahmenprofil 10 zeigt das umlaufende Band 20 mit seinem oberen Umfangskragen 20a und seinem unteren Umfangskragen 20b. Die in dem zweiten Schenkel eingebrachte Haltenut 22 weist eine Hinterschneidung auf, um spƤter in dieser Haltenut 22 eine Klemme 62 befestigen zu kƶnnen. In die Nut 21 kommen nicht nur an den Ecken die Elementschenkel 41,42 zu liegen, sondern es kann auch abschlieƟend eine RĆ¼ckwandhaube 57 (siehe FIG 10), welche aus einem an den RƤndern umgebogenen Blech bestehen kann, in die Nut 21 eingesteckt werden.The FIG 7 shows the frame 1 with the frame profile 10 in a perspective cross-sectional view. A first corner element 31 is inserted in the first corner A. The section through the frame profile 10 shows the circumferential band 20 with its upper peripheral collar 20a and its lower peripheral collar 20b. The holding groove 22 made in the second leg has an undercut so that a clamp 62 can later be fastened in this holding groove 22. Not only do the element legs 41, 42 come to rest at the corners in the groove 21, but also a rear wall hood 57 (see FIG FIG 10 ), which can consist of a sheet metal bent at the edges, can be inserted into the groove 21.

ZusƤtzlich weist das Rahmenprofil 10 eine Montageblechnut 23 fĆ¼r Montagebleche 52,53,54,55 (siehe FIG 11) auf.In addition, the frame profile 10 has a sheet metal mounting groove 23 for sheet metal 52,53,54,55 (see FIG 11 ) on.

Mit FIG 8 wird noch einmal in einer Detaildarstellung das eingesteckte erste Eckelement 31 in die erste Ecke A verdeutlicht. Auf die FlƤche F wird spƤter eine Dichtung 50 und eine KlebeflƤche 51 zu liegen kommen. Das eingesteckte Eckelement 31 dient mit seinem Elementkopf 43 dem sauberen bĆ¼ndigen VerschlieƟen des durch das AusfrƤsen geschaffenen Freiraum 11 im Rahmenprofil 10.With FIG 8 the inserted first corner element 31 in the first corner A is illustrated once again in a detailed representation. A seal 50 and an adhesive surface 51 will later come to rest on surface F. The inserted corner element 31, with its element head 43, serves to cleanly and flushly close the free space 11 in the frame profile 10 created by the milling out.

FIG 9 zeigt zur Verdeutlichung die eingelegte Dichtung 50 in die erste Ecke A. Die Dichtung 50 schmiegt sich an den durch das Band 20 gebildeten oberen Umfangskragen 20a an und dadurch wird ein Zwischenraum zwischen der FlƤche F und einer spƤter eingelegten BerĆ¼hrflƤche 60 mittels der Dichtung 50 abgedichtet. FIG 9 shows the inserted seal 50 in the first corner A. The seal 50 clings to the upper circumferential collar 20a formed by the band 20 and a gap between the surface F and a later inserted contact surface 60 is sealed by the seal 50.

FIG 10 zeigt ein Ein- und AusgabegerƤt 100 in einer geschnittenen Darstellung. FĆ¼r eine Wandmontage oder eine Montage in einem Pult innerhalb eines Einbauausschnittes weist der Rahmen 1 an seinem unteren Umfangsragen 20a eine weitere Dichtung 56 auf. Auf die FlƤche F des Rahmens 1 wird die Dichtung 50 und eine KlebeflƤche 51 aufgebracht, auf die die BerĆ¼hrflƤche 60 geklebt wird. Unter der BerĆ¼hrflƤche 60 ist ein Display 61 angeordnet, wodurch ein Touch Screen Display gebildet ist. FIG 10 shows an input and output device 100 in a sectional view. For wall mounting or mounting in a desk within an installation cutout, the frame 1 has a further seal 56 on its lower peripheral projection 20a. The seal 50 and an adhesive surface 51, to which the contact surface 60 is glued, are applied to the surface F of the frame 1. A display 61 is arranged below the contact surface 60, whereby a touch screen display is formed.

FIG 11 zeigt einen weiteren Vorteil des Rahmenprofils 10, da das Rahmenprofil 10 eine zusƤtzlich umlaufende Montageblechnut 23 aufweist, kƶnnen in der Montageblechnut 23 ein erstes Montageblech 52, ein zweites Montageblech 53, ein drittes Montageblech 54 und ein viertes Montageblech 55 angeordnet werden. Die Montagebleche 52,53,54 und 55 sind in der Mitte zusammengefĆ¼hrt und dienen als ein TrƤger fĆ¼r eine Flachbaugruppe. FIG 11 shows a further advantage of the frame profile 10, since the frame profile 10 has an additional circumferential mounting plate groove 23, a first mounting plate 52, a second mounting plate 53, a third mounting plate 54 and a fourth mounting plate 55 can be arranged in the mounting plate groove 23. The mounting plates 52,53,54 and 55 are brought together in the middle and serve as a carrier for a printed circuit board.

Claims (9)

  1. Frame (1) for an input and output device (100), comprising four corners (A,B,C,D),
    consisting of a frame profile (10) embodied in one piece, which has a first leg (S1) and a second leg (S2), wherein
    - a strip (20) is arranged on the first leg (S1), and wherein open spaces (11,12,13,14) are arranged in the frame profile (10) to form the four corners (A,B,C,D) in such a manner that the strip (20) is left standing in the region of the open spaces (11,12,13,14), and
    - a groove (21) is arranged on the second leg (S2),
    wherein a corner element (31,32,33,34) is arranged in each of the corners (A,B,C,D), characterised in that the corner element (31,32,33,34) has an element body (40) with a first element leg (41) and a second element leg (42), wherein the element legs (41,42) are arranged substantially at right angles to one another on the element body (40) and the corner elements (31,32,33,34) are arranged in the open spaces (11,12,13,14) in such a manner that the first element leg (41) and the second element leg (42) are each arranged in the groove (21) of the frame profile (10).
  2. Frame (1) according to claim 1, wherein the element legs (41, 42) are arranged at a lower end (44) of the element body (40) and an element head (43) is arranged at an upper end (45) of the element body (40), in which case the element head (43) is embodied in such a manner that it closes off the open space (11,12,13,14) in the corners (A,B,C,D) such that a flat surface (F) is present on the first leg (S1) within the frame (1) for applying a seal (50) and/or adhesive surface (51) for the subsequent introduction of a contact surface (60).
  3. Frame (1) according to one of claims 1 or 2, wherein the strip (20) is embodied as an upper circumferential collar (20a) for the frame (1) and the seal (50), which seals off the intermediate space between the surface (F) of the first leg (S1) and a boundary surface of the contact surface (60) to be subsequently introduced, is arranged in said upper circumferential collar (20a).
  4. Frame (1) according to one of claims 1 to 3, wherein the strip (20) is embodied as a lower circumferential collar (20b) for the frame (1) and a further seal (56), which seals off the intermediate space between a lower surface of the first leg (S1) and a boundary surface of an installation cutout, is arranged in said lower circumferential collar (20b).
  5. Frame (1) according to claim 3, wherein a retaining groove (22) with an indentation is arranged in the second leg (S2), which is embodied such that a clamp (62) for installation in an installation cutout is to be fastened therein.
  6. Frame (1) according to one of claims 1 to 5, wherein the frame profile (10) is formed by an aluminium continuous casting profile.
  7. Input and output device (100) for industrial use, comprising a frame (1) according to one of claims 1 to 6.
  8. Method for manufacturing a frame (1) for an input and output device (100), wherein a frame profile (10) is used which has a first leg (S1) and a second leg (S2), wherein a strip (20) is arranged on the first leg (S1) and a groove (21) is arranged on the second leg (S2), wherein
    in a first step:
    - a length (l), which corresponds to the subsequent circumference of the frame (1), is cut to length by a frame profile (10), and in a second step:
    - according to the subsequent side lengths (11,12,13,14) of the frame (1), open spaces (11,12,13,14) are introduced into the frame profile (10) to form the four corners (A,B,C,D) in such a manner that the strip (20) is left standing in the region of the cutouts resulting from the open spaces (11,12,13,14), in which case the size of the open spaces (11,12,13,14) is chosen in such a manner that an overbending required in the subsequent step can succeed without interference, in a third step:
    - the corners (A,B,C,D) are bent at the points of the open spaces (11,12,13,14), in which case the sides (a,b,c,d) adjoining a corner (A,B,C,D) are overbent slightly beyond an angle of 90Ā° in order to overcome a residual stress in the material and thus to prevent the sides (a,b,c,d) from springing back, in a fourth step:
    - a corner element (31,32,33,34) is then arranged in each of the corners (A,B,C,D), wherein the corner element (31,32,33,34) has an element body (40) with a first element leg (41) and a second element leg (42), wherein the element legs (41,42) are arranged substantially at right angles to one another on the element body (40) and the corner elements (31,32,33,34) are arranged in the open spaces (11,12,13,14) in such a manner that the first element leg (41) and the second element leg (42) are each arranged in the groove (21) of the frame profile (10), afterwards
    - a remaining impact face (35) is welded together.
  9. Method according to claim 8, wherein corner elements (31,32,33,34) are used, in which the element legs (41,42) are arranged at a lower end (44) of the element body (40) and an element head (43) is arranged at an upper end (45) of the element body (40), wherein the element head (43) is placed in the corners (A,B,C,D) in the open space (11,12,13,14) in such a manner that it closes this off flushly, meaning that a flat surface is created on the first leg (S1) within the frame (1) for applying a seal (50) and/or adhesive surface (51) for the subsequent introduction of a contact surface (60).
EP18163373.6A 2018-03-22 2018-03-22 Frame for an input/output device and method for producing a frame Active EP3543821B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18163373.6A EP3543821B1 (en) 2018-03-22 2018-03-22 Frame for an input/output device and method for producing a frame
CN201811577516.7A CN110299067B (en) 2018-03-22 2018-12-19 Frame for input and output device and method for manufacturing frame
US16/360,847 US10823995B2 (en) 2018-03-22 2019-03-21 Frame for an input and output device and method for manufacturing the frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18163373.6A EP3543821B1 (en) 2018-03-22 2018-03-22 Frame for an input/output device and method for producing a frame

Publications (2)

Publication Number Publication Date
EP3543821A1 EP3543821A1 (en) 2019-09-25
EP3543821B1 true EP3543821B1 (en) 2020-11-18

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ID=61868153

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Application Number Title Priority Date Filing Date
EP18163373.6A Active EP3543821B1 (en) 2018-03-22 2018-03-22 Frame for an input/output device and method for producing a frame

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US (1) US10823995B2 (en)
EP (1) EP3543821B1 (en)
CN (1) CN110299067B (en)

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* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019215868A1 (en) * 2019-10-15 2021-04-15 Continental Automotive Gmbh Frame for an electro-optical display and an electro-optical display with a frame

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US2045770A (en) * 1935-06-03 1936-06-30 Golden Abraham Picture frame and method of making the same
US3802105A (en) * 1972-04-24 1974-04-09 Bendix Mouldings Inc Rapid assembly frame construction
DE19730430C2 (en) * 1997-07-16 1999-07-15 Loh Kg Rittal Werk Frame for a control cabinet
TW552840B (en) * 2000-10-09 2003-09-11 Au Optronics Corp Outer frame of flat panel display and the assembling method thereof
KR20050027375A (en) 2003-09-15 2005-03-21 ķ™ģ„±ģš© Two part type front chassis for flat panel display device and method for manufacturing the same
CN2844970Y (en) 2005-10-28 2006-12-06 å¶ę˜„ęµ· LCD panel frame
TWM368811U (en) * 2009-03-03 2009-11-11 Grandtec Electronic Corp Combined external frame structure of LCD display panel
JP5149419B2 (en) 2011-04-27 2013-02-20 ć‚·ćƒ£ćƒ¼ćƒ—ę Ŗ式会ē¤¾ Thin display device
CN102256456A (en) * 2011-05-27 2011-11-23 č°¢č“Æ芝 Hollow machine body of electrical appliance and manufacturing method thereof
CN102298878B (en) * 2011-09-26 2013-04-17 č‹å·žčƒœåˆ©ē²¾åƆ制造ē§‘ęŠ€č‚”ä»½ęœ‰é™å…¬åø Lcd tv
KR101317773B1 (en) * 2012-07-31 2013-10-15 ģ—ģŠ¤ģ¼€ģ“ė”ėø”ģœ (ģ£¼) Method for manufacturing a middle cabinet of display
JP2014043023A (en) * 2012-08-24 2014-03-13 Sony Corp Structure, display unit, and method for forming structure
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Also Published As

Publication number Publication date
CN110299067B (en) 2021-09-03
US10823995B2 (en) 2020-11-03
EP3543821A1 (en) 2019-09-25
US20190293988A1 (en) 2019-09-26
CN110299067A (en) 2019-10-01

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